When a 12 V battery is connected across an unknown resistor

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

8. When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.

Related theory

Ohm's Law
Ohm's Law (Macroscopic)
Ohm's law and V-I graphs
Electricity
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
Electric Circuits

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